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Finding the Fourth Proportional to 152,761.95, 210,914.28 and 116,887.86

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Solution

The fourth proportional to 152,761.95, 210,914.28 and 116,887.86 is: 161,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,761.95 : 210,914.28 = 116,887.86 : x
  2. Step 2: Convert to fraction form
    152,761.95/210,914.28 = 116,887.86/x
  3. Step 3: Cross multiply
    152,761.95x = 210,914.28 × 116,887.86
  4. Step 4: Simplify right side
    152,761.95x = 24,653,318,832.64
  5. Step 5: Solve for x
    x = 24,653,318,832.64/152,761.95
  6. Step 6: Final answer
    x = 161,383.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.